Macquarie Bank and Cintra own a 75-year lease on the Indiana toll road. Baruch Feigenbaum, Reason Transportation analyst, explains why this is working, and the private sector's role in improving infrastructure in the U.S.

About Street Signs

"Street Signs" airs live 2-3pm ET, Monday-Friday from CNBC Global Headquarters. The show is must see TV for savvy investors looking to capitalize on opportunities beyond the headlines and the herd mentality. Brian Sullivan and Amanda Drury read the signs on Wall Street everyday for the under-the-radar stocks and market trends to make you money.